<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=<device-width>, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
       //Array 的 A 要大写
    //    var arr = new Array(); 
    //    console.log(arr);

    var arr1 = [];
    var arr2 = [1, 2, "haha", false];
    console.log(arr1);
    console.log(arr2);
    </script>
</body>
</html>